Low areas of land between hills or mountains, often containing rivers or streams. Elongated depressions in the landscape formed by erosion or geological activity.
From Old French 'valee,' from Latin 'vallis' meaning 'valley.' The word has remained remarkably stable across languages and time, reflecting the universal human experience of these landscape features.
Valleys have been crucial to human civilization as natural highways, fertile farmland, and sources of fresh water - it's no coincidence that many major cities and trade routes follow valley systems. The word appears in countless place names worldwide, showing how fundamental these landforms are to human geography.
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